/**
 ******************************************************************************
 * @addtogroup PIOS PIOS Core hardware abstraction layer
 * @{
 * @addtogroup PIOS_BMP085 BMP085 Functions
 * @brief Hardware functions to deal with the altitude pressure sensor
 * @{
 *
 * @file       pios_bmp085.h
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
 * @brief      BMP085 functions header.
 * @see        The GNU Public License (GPL) Version 3
 *
 *****************************************************************************/
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef PIOS_BMP085_H
#define PIOS_BMP085_H

/* BMP085 Addresses */
#define BMP085_I2C_ADDR     0x77
#define BMP085_CALIB_ADDR   0xAA
#define BMP085_CALIB_LEN    22
#define BMP085_CTRL_ADDR    0xF4
#define BMP085_OVERSAMPLING PIOS_BMP085_OVERSAMPLING
#define BMP085_PRES_ADDR    (0x34 + (BMP085_OVERSAMPLING << 6))
#define BMP085_TEMP_ADDR    0x2E
#define BMP085_ADC_MSB      0xF6
#define BMP085_P0           101325

/* Local Types */
typedef struct {
    int16_t  AC1;
    int16_t  AC2;
    int16_t  AC3;
    uint16_t AC4;
    uint16_t AC5;
    uint16_t AC6;
    int16_t  B1;
    int16_t  B2;
    int16_t  MB;
    int16_t  MC;
    int16_t  MD;
} BMP085CalibDataTypeDef;

typedef enum {
    PressureConv,
    TemperatureConv
} ConversionTypeTypeDef;

/* Global Variables */
#if defined(PIOS_INCLUDE_FREERTOS)
extern xSemaphoreHandle PIOS_BMP085_EOC;
#else
extern int32_t PIOS_BMP085_EOC;
#endif

/* Public Functions */
extern void PIOS_BMP085_Init(void);
extern void PIOS_BMP085_StartADC(ConversionTypeTypeDef Type);
extern void PIOS_BMP085_ReadADC(void);
extern int16_t PIOS_BMP085_GetTemperature(void);
extern int32_t PIOS_BMP085_GetPressure(void);
extern bool PIOS_BMP085_Read(uint8_t address, uint8_t *buffer, uint8_t len);
extern bool PIOS_BMP085_Write(uint8_t address, uint8_t buffer);
extern int32_t PIOS_BMP085_Test();

#endif /* PIOS_BMP085_H */

/**
 * @}
 * @}
 */
